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snowy resort
Lat Long: 36.42° N 138.42° E
Ski Japan - Nagano

Yunomaru Snow Forecast

Weather Forecast for Yunomaru at 1838m altitude

Issued: 2 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 25.0mm), heaviest during Tue night. Very mild (max 19°C on Mon morning, min 12°C on Mon night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 30.0mm), heaviest during Fri morning. Very mild (max 17°C on Thu afternoon, min 13°C on Wed afternoon). Wind will be generally light.

Sun
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
thunderstorm
clear
thunderstorm
rain showers
cloud
cloud
mod rain
light rain
rain showers
rain showers
part cloud
thunderstorm
mod rain
light rain
light rain
light rain
t-storm
risk
t-storm
risk
clear
t-storm
risk
rain shwrs
cloudy
cloudy
mod. rain
light rain
rain shwrs
rain shwrs
some clouds
t-storm
risk
mod. rain
light rain
light rain
light rain
km/h
5
NE
5
N
5
NNW
10
N
10
NNW
10
NNW
20
NNW
5
SE
25
SE
25
ESE
20
SE
15
ESE
15
ESE
15
ESE
10
NNE
0
NNE
15
ESE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
8
3
1
1
10
2
3
2
2
6
5
5
5
max °C
18
17
19
18
15
15
13
13
14
14
13
16
17
15
15
14
15
min °C
17
15
16
16
12
13
13
12
12
13
13
13
16
15
14
14
14
 chill °C
17
15
16
16
10
12
11
10
10
11
11
12
15
14
14
14
13
Humid %
79
91
73
57
52
55
76
94
85
93
88
91
70
93
88
95
96
Freeze m
4850
4750
4750
4650
4700
4450
4550
4700
4650
4400
4350
4450
4550
4650
4700
4850
4900
Sea lvl1000m2000m3000m4000m5000m
17151717131313121313121416151414141815191813161412141412161714151414
Sunrise
4:58
5:00
5:00
5:01
5:01
Sunset
6:44
6:43
6:42
6:40
6:39
6:38

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Yunomaru:

No recent snow reports

No recent snow reports

Yunomaru Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 1 May 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

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Snow History

Week 2 of August has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.0
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.

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